shall challenge
Regular verb: challenge - challenged- challenged

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shall challenge
you shall challenge
he shall challenge
we shall challenge
you shall challenge
they shall challenge 	I shall be challenging
you shall be challenging
he shall be challenging
we shall be challenging
you shall be challenging
they shall be challenging	I shall have challenged
you shall have challenged
he shall have challenged
we shall have challenged
you shall have challenged
they shall have challenged	I shall have been challenging
you shall have been challenging
he shall have been challenging
we shall have been challenging
you shall have been challenging
they shall have been challenging	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shall not challenge
you shall not challenge
he shall not challenge
we shall not challenge
you shall not challenge
they shall not challenge 	I shall not be challenging
you shall not be challenging
he shall not be challenging
we shall not be challenging
you shall not be challenging
they shall not be challenging	I shall not have challenged
you shall not have challenged
he shall not have challenged
we shall not have challenged
you shall not have challenged
they shall not have challenged	I shall not have been challenging
you shall not have been challenging
he shall not have been challenging
we shall not have been challenging
you shall not have been challenging
they shall not have been challenging	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shall I challenge?
shall you challenge?
shall he challenge?
shall we challenge?
shall you challenge?
shall they challenge? 	shall I be challenging?
shall you be challenging?
shall he be challenging?
shall we be challenging?
shall you be challenging?
shall they be challenging? 	shall I have challenged?
shall you have challenged?
shall he have challenged?
shall we have challenged?
shall you have challenged?
shall they have challenged? 	shall I have been challenging?
shall you have been challenging?
shall he have been challenging?
shall we have been challenging?
shall you have been challenging?
shall they have been challenging? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shall I not challenge?
shall you not challenge?
shall he not challenge?
shall we not challenge?
shall you not challenge?
shall they not challenge? 	shall I not be challenging?
shall you not be challenging?
shall he not be challenging?
shall we not be challenging?
shall you not be challenging?
shall they not be challenging? 	shall I not have challenged?
shall you not have challenged?
shall he not have challenged?
shall we not have challenged?
shall you not have challenged?
shall they not have challenged? 	shall I not have been challenging?
shall you not have been challenging?
shall he not have been challenging?
shall we not have been challenging?
shall you not have been challenging?
shall they not have been challenging?